<template>
	<view class="login-container">
		<uni-icons type = "contact-filled" size= "100" color="#afafaf"></uni-icons>
		<button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
		<text class="tips-text">登录后享更多权益</text>
	</view>
	
</template>

<script>
	import {mapMutations} from 'vuex'
	export default {
		data() {
			return {
				
			};
		},
		methods:{
			...mapMutations('m_user',['updateUserInfo','updateToken']),
			getUserInfo(e){
				if(e.detail.errMsg ==="getUserInfo:fail auth deny") return uni.$showMsg("您取消了授权")
				this.updateUserInfo(e.detail.userInfo)
				this.getToken(e.detail)
			},
			// 调用登录接口，换取永久的 token
			async getToken(info) {
				// 调用微信登录接口
				const [err, res] = await uni.login().catch(err => err)
				console.log(res)
				// 判断是否 wx.login() 调用失败
				if (err || res.errMsg !== 'login:ok') return uni.$showError('登录失败！')
				// 准备参数对象
				const query = {
					 code: res.code,
					 encryptedData: info.encryptedData,
					 iv: info.iv,
					 rawData: info.rawData,
					 signature: info.signature
				}
				console.log(query)
				// 换取 token
				const { data: loginResult } = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				if (loginResult.meta.status !== 200) return uni.$showMsg('登录失败！')
				this.updateToken(loginResult.message.token)
				
			}
		}
	}
</script>

<style lang="scss">
.login-container{
	height: 750rpx;
	background-color: #f8f8f8;
	// background-color: #007AFF;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
	
	&::after{
		content:' ';
		display: block;
		width: 100%;
		height: 40px;
		background-color: white;
		position: absolute;
		bottom: 0;
		left: 0;
		border-radius: 100%;
		transform: translateY(50%);
	}
	.btn-login{
		width: 90%;
		border-radius: 100px;
		margin: 15px 0;
		background-color: #C00000;
	}
	.tips-text{
		font-size: 12px;
		color: gray;
	}
	
}
</style>
